24

POWER MANAGEMENT

CHAPTER OBJECTIVES

In this chapter, the reader is introduced to the power management features of 8051 microcontroller. After completion of the chapter, the reader should be able to understand some of the details of power management features offered by 8051, like

  • What are idle and power-down modes of 8051.
  • How are these power-saving modes implemented.
  • What are the benefits of each of these modes.

24.1 | Introduction

Power management is the feature available in most of the embedded systems and some other electrical or electronics units, like display of a mobile handset or monitor of a personal computer, which automatically turn off the device or put it in low-powered stand-by mode for power saving. This mechanism not only ...

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